opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/listener/CarBoughtListener.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.clustering.it.listener;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.util.concurrent.FutureCallback;
  13 import com.google.common.util.concurrent.MoreExecutors;
  14 import javax.annotation.PreDestroy;
  15 import javax.inject.Inject;
  16 import javax.inject.Singleton;
  17 import org.opendaylight.mdsal.binding.api.DataBroker;
  18 import org.opendaylight.mdsal.binding.api.NotificationService;
  19 import org.opendaylight.mdsal.binding.api.NotificationService.Listener;
  20 import org.opendaylight.mdsal.common.api.CommitInfo;
  21 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.people.rev140818.CarPeople;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.people.rev140818.car.people.CarPerson;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.people.rev140818.car.people.CarPersonBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.people.rev140818.car.people.CarPersonKey;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.purchase.rev140818.CarBought;
  27 import org.opendaylight.yangtools.concepts.Registration;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29 import org.osgi.service.component.annotations.Activate;
  30 import org.osgi.service.component.annotations.Component;
  31 import org.osgi.service.component.annotations.Deactivate;
  32 import org.osgi.service.component.annotations.Reference;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 @Singleton
  37 @Component(service = { })
  38 public final class CarBoughtListener implements Listener<CarBought> {
  39     private static final Logger LOG = LoggerFactory.getLogger(CarBoughtListener.class);
  40
  41     private final DataBroker dataProvider;
  42     private final Registration reg;
  43
  44     @Inject
  45     @Activate
  46     public CarBoughtListener(@Reference final DataBroker dataProvider,
  47             @Reference final NotificationService notifService) {
  48         this.dataProvider = requireNonNull(dataProvider);
  49         reg = notifService.registerListener(CarBought.class, this);
  50     }
  51
  52     @PreDestroy
  53     @Deactivate
  54     public void close() {
  55         reg.close();
  56     }
  57
  58     @Override
  59     public void onNotification(final CarBought notification) {
  60         final var carPerson = new CarPersonBuilder()
  61             .withKey(new CarPersonKey(notification.getCarId(), notification.getPersonId()))
  62             .build();
  63
  64         LOG.info("Car bought, adding car-person entry: [{}]", carPerson);
  65
  66         final var carPersonIId = InstanceIdentifier.builder(CarPeople.class)
  67                 .child(CarPerson.class, carPerson.key()).build();
  68
  69         final var tx = dataProvider.newWriteOnlyTransaction();
  70         tx.put(LogicalDatastoreType.CONFIGURATION, carPersonIId, carPerson);
  71
  72         tx.commit().addCallback(new FutureCallback<CommitInfo>() {
  73             @Override
  74             public void onSuccess(final CommitInfo result) {
  75                 LOG.info("Successfully added car-person entry: [{}]", carPerson);
  76             }
  77
  78             @Override
  79             public void onFailure(final Throwable ex) {
  80                 LOG.error("Failed to add car-person entry: [{}]", carPerson, ex);
  81             }
  82         }, MoreExecutors.directExecutor());
  83     }
  84 }